Automatic-clutch-release.



teniente,

rn.- fin C, tetes, resioiin r'lrngeles, in the oonnty oi Los E Sint-e' of ile-lilor,z\"- I` l f -i new' und use-fnl pro/veine; ,Clutch i s, of which. the ronow speci.,

/iy inve ,pulleys fend the Vl in lies neluicli "l: ii" ly 'to Vhile .the invention may 'find generati ,npptieetion in nearly all classes oi power ineeliinery, it liesspeci'o applicatie i in the present instance nieN chilies for ooinn other lumber 1w ,uit ,non

poses, end to .thisend eonte,. vision of n'leclfiinism in rullo' d' is Whenever is Without breiT En the diem g, front elevation, lie-lf in section,te'illustrote ports i'rtherwise hidden, and 2, is e fregxnentery detail of the clutch hno end eluteh strepn Specific reference being had te the drewing, l, designates e. pulley, keyed on e sh it 2, mounted suitable hearings, not showna 3, is e sleeve loosely mounted on seid shaft 2, and held speced therefrom by e ring Ll, and e robinet 5, oi? e collar 6, on Whioh is fastened e pinion 7, arranged to transmit power to e gear Wheel, not shown, of a wood shaving bloeit compressing machine. Seid pinion 7, is fastened on seid coller 6, 'by oep nehme,

screws 8, which also serve to festen seir col-- lar 6, on seid sleeve 3. The spnee 9, between said she't 2, and sleeve 3, forms e chamber for oil, Which is supplied thereto through e hole l0, closed ny plug l.l. Contiguous with seid sleeve 3, end et approximately right :ingles thereto, is annuler disk l2, provided with :i plurality of blocks lzlfivhiehv ere of e slightly er thielniess than seid disk, and are arranged to he forced in frictionfil engagement with the web lll, of seid pulley u r r Y 5, The friction ring l5, ts within the pulley 'Flange i6, end is actuated to force seid blocks i3, in Contact With the Web lil, of seid pulley, by e, plurelity of erxns i7, provided With heads 13; which impinge against en annuler bend 19, on Seid friction ring l5. The severe-l heeft; 1,8, of seid .firms 17, ere supported in, their ,n of tetten Esteri.

hereinafter described 'foire l, represents re'letive positions, yas shown, lby shenks 20, or holte 2l, which ere sereivecl'into 'the Web lll, of seid pulley, nuts 22, on seid bolts, serving` to hold seidheeds 18, thereon. Said friction ring 15, is held normally in Contact with seid heads '18, and out of engagement with seid olocks 13, by heliee'l springs 23, coiled around seid ybolts E21. Pivo'tolly con:l neet-ing the ends of seid erms 17 with a, calm clutch hub 9A, loosely mounted o'nsaid sleeve 3, ere links 25. ln .e groove .26', of Seid clutch huh 24C, is e strep' 27, provided with studs 28 on Whie'h is mounted a; shifter Q9, pivotnily secured to e suitable support 30. 'llo the upper port of said shilter`29,iis pivotsl'l fastened e link 31, connected with a lever B2, for actuating theshifter'). l Bolted onto seid sleeve' 3 is e cem ring '33, which. seid anni clutch 'h1ib`24, is arranged -to-eeperete, es will appear' more fully here- 'ln the position of the perte shown, the 'rlietion ring 15, has been forced against the friction. blocks 13, which in turn are forced in cont-ect with the Web 14, of the pulley l, end the oem clutch hub 24, has been moved in engagement with the oem ring 33. All perte ere now connected with the pulley l, and rotate therewith. Should too much maj,v teriel he fed into the compression chamber? of the compressor, or herd foreign pieces delivered thereinto With the shevings, andi, for this reason, the compressing pistonv cannot move, beyond a, 'certain straining oint, the driven gear of the compressor, not s own, which is arranged in mesh with the pinion 7, will stop, together with all the parts connected tlierevvitl'x, The pulley l, however, will continue to revolve, and in so doing, (sense the cern clutch hub 24, to be disengeged from the eem ring 33. Wl/'lint l ola-im, is

l, The combination with e shaft end e pulley, mounted thereon, of e sleeve loosely mounted on seid shaft and provided with friction ineens, oy pinion on seid sleeve, a` eem hub slideble on seid sleeve, means connected to end coutrollebleby the' movement of seid com hub to cause seid friction means to engage seid pulley, and means to aut0. inetieelly move seid com hub on seid sleeve to cause seid friction meansto disengage from said pulley when the speed of.. lthef rigid on seid sleeve e cem hub loose en,

said sleeve and arianged for engagement with said cam ring, said cam hub being pl'o vided with means to ectmie said irieien means for looking seid sam hub and said. sleeve with said pulley, and means lo move saiil eem lb on said sleeve.

4. The combination with a shaft and e pulley mounted themen, of e sleeve loosely mouned'n said shaft, e plurality of bloels on said sleeve, e pinion on said sleeve, z3.4 ring izo move said blocks in engagement Willi seid .pulley to retonally loekvseicl Sleeve .on

pulley, n, clutch hub slidable on said sleeve enel piovidefl with means to operate seid Fing, a levez' to operate said clutch hill) and means mounted on said sleeve to cause the friction of said blocks to be relieved from said. pulley when the revolution of '.cl geen is stopped'.

5. The eombina'tion with a shaft and a pulley mounted liereon, of sleeve loosely inounenl on said, shaft and provided with a plurality of blocks, a @am ring mounted on and roteable with said sleeve, a pinion on Said Sleewe n, ring lo frietionully bind said blocks on said pulley, a clutch hul) to eoperele with seid cam ring loosely mountlo Remate said friction ring, and a lever to .move seid elueh hub in engagement with seid cem ring and to control said friction fing actuating means.

Qn tesilmeny whereof I alli): my signature in the p'esenee of two Witnesses.

v DAVID C. MCC/AN.

Witnesses STANLEY BENEDIGT, ANTON GLOETZNER, J1".

ecl on seid sleeve und provided with means 

